Read the excerpt below and answer the question. I lived in the first century of world wars.

I lived in the first century of these wars.

These words are the first and last lines of the poem. What is the best explanation of why Rukeyser repeats them?

to highlight her wish to become a soldier
to emphasize the idea that war is violent
to remind the reader that war is unavoidable
to hope that world wars will come to an end